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【单选题】
—_______? —He’s a lawyer. [ ]A.
Where is your father?
B.
What is your father?
C.
Who is your father?
D.
Which is your father?
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【单选题】10)Property market is susceptible to many influences, such as culture, taxes, politics, etc.
A.
T
B.
F
C.
NG
【简答题】紫外线照射能使 DNA 相邻碱基形成( ) ,从而导致 DNA 复制产生错误,用紫外线诱变微生物后应在( ) 条件下进行,以防止( ) 现象的产生。
【简答题】II. 再次阅读以下文章 , 写一篇 60 ~80 词左右的内容概要 . s aren ’ t Getting Enough Sleep Most s need about 8 to more than 9 hours of sleep each night . The right amount of sleep is essential ( necessary ) for any...
【单选题】Teens aren ’ t Getting Enough Sleep Most teens need about 8 to more than 9 hours of sleep each night . The right amount of sleep is essential ( necessary ) for anyone who wants to do well in test s or...
A.
2
B.
3
C.
4
D.
5
【单选题】轮毂上键槽的尺寸标注包括三部分内容,键槽的宽度和深度,含键槽的轴径(直径d)。查教材386页附表28明确t1和t2的含义后,轮毂上键槽的深度应标注 ( ) 的代数值。
A.
t2
B.
d- t2
C.
d+ t2
D.
d+t1
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